Hot water supply device

Abstract

To obtain a hot water supply device that can be made small and compact, for which there is excellent freedom, for example, of installation of each part, and for which hot water at a predetermined temperature can be instantaneously obtained using a heat storage medium and the hot water can be supplied to the hot water supply side. A heat storage device 10 with a heating function is provided on hot water supply pipe 4 for indirectly heating the water in the pipe to obtain hot water using a heat storage medium 13 . The device comprises: a piping portion 11 connected to the hot water supply pipe; a heat storage medium that exchanges heat with the piping portion; and a casing 12 disposed so as to enclose the heat storage medium and surround the piping portion. The piping portion comprises an elastically deformable bellows-shaped portion 11 a that exchanges heat with the heat storage medium. The casing comprises heating means 14 capable of heating the heat storage medium in accordance with the temperature conditions.

1 . A hot water supply device comprising a heat storage device with a heating function which is provided on a hot water supply pipe and which indirectly heats the water in the pipe using a heat storage medium to obtain hot water, 
 the heat storage device with a heating function comprising:    a piping portion connected to the hot water supply pipe;    a heat storage medium that exchanges heat with the piping portion; and    a casing disposed so as to enclose the heat storage medium and surround the piping portion,    the piping portion comprising an elastically deformable bellows-shaped portion that exchanges heat with the heat storage medium, and    the casing comprising heating means capable of heating the heat storage medium in accordance with temperature conditions thereof.    
   
   
       2 . The hot water supply device according to  claim 1 , further comprising: 
 a temperature sensor that measures a temperature of the heat storage medium; and    a temperature controller that controls heating by the heating means in accordance with temperature information from the temperature sensor, wherein the temperature controller controls the temperature of the heat storage medium to a predetermined set temperature.    
   
   
       3 . The hot water supply device according to  claim 2 , wherein a melting point of the heat storage medium is equal to or less than the set temperature.